<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Test file uploading data transformation</title>
</head>
<body>

<h2>File Upload and Data Transformation</h2>

Upload the <b>sample_input.txt</b> located in this example folder. 
<br>
<br> 
V will apply data transformation, adding the first two columns into a third column, and return the results as a download. <br>
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For example:
<table style="color:blue;">
	<tr>
	  	<td>10</td>
	  	<td>13</td>
	</tr>
	<tr>
		<td>20</td>
		<td>54</td>
	</tr>
	<tr>
		<td>30</td>
		<td>82</td>
	</tr>
	<tr>
		<td>40</td>
		<td>11</td>
	</tr>
	<tr>
		<td>50</td>
		<td>47</td>
	</tr>
  </table>
<br>
Becomes...
<br>
<table style="color:blue;">
	<tr>
	  	<td>10</td>
	  	<td>13</td>
		<td>23</td>
	</tr>
	<tr>
		<td>20</td>
		<td>54</td>
		<td>74</td>
	</tr>
	<tr>
		<td>30</td>
		<td>82</td>
		<td>112</td>
	</tr>
	<tr>
		<td>40</td>
		<td>11</td>
		<td>51</td>
	</tr>
	<tr>
		<td>50</td>
		<td>47</td>
		<td>97</td>
	</tr>
  </table>

<hr>

File form:
<form method="POST" enctype="multipart/form-data" action="http://localhost:8082/upload">
	<input type="file" name="upfile"/>
	<input type="submit" value="Upload & Transform"/>
</form>

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</html>
